Features:_x000D_ 1. It is a rivet set, can meet different using needs._x000D_ 2. Made of high quality aluminium material, which has good corrosion-resistant and long service life._x000D_ 3. The fastening effect is perfect and it is not easy to fall off._x000D_ 4. Rivets are designed with flat head, which makes installation easier._x000D_ 5. Rivet is solid structure with higher mechanical strength._x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Item Type: Solid Rivet_x000D_ Material: Aluminum_x000D_ Diameter * Length (mm) (No Caps Included): M4*20, M4*25 (optional)_x000D_ Quantity: 100pcs_x000D_ _x000D_ Package List:_x000D_ 100 * Solid Rivet_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.